Part Number: LM5185 Vref is mentioned many times in the datasheet, but nowhere does it specify what value Vref actually is.
I got this design from Webbench
.
Do I understand from the BOM that the primary has four times as many turns as the secondary…
Part Number: LM5185-Q1 Tool/software: Dear Power experts,
the output voltage setting of the LM5185-Q1 is described in chapter 7.3.4 in the datasheet.
It is mentioned that the "LM5185-Q1 senses the reflected secondary voltage when the secondary current…
Part Number: LM5185-Q1 Other Parts Discussed in Thread: LM5180-Q1 Tool/software: We are using the LM5185-Q1 for 24V-15V conversion. We are seeing high levels of low frequency noise on our initial electromagnetic compatibility testing. Below are the results…
Part Number: LM5185-Q1 Other Parts Discussed in Thread: LM5185 Tool/software: I am working on a flyback design to bring 24V down to 15V with an input range of 14V to 37.5V. The positive output of the secondary side of the transformer (pins 9 and 10 of…
Part Number: LM5185 Tool/software:
Hi Team,
My customer uses LM5185 for conversion from 80V to 24V,The voltage output of LM5185 is unstable under light loads. When the output current is below 20mA,the output voltage is 35V.Moreover,the efficiency…
Part Number: LM5185 Other Parts Discussed in Thread: LM5022 , LM5020 , LM5155 , UCC28700 Hi,
Can I use auxiliary winding from the flyback transformer to power and provide voltage feedback to LM5185 controller?
I am looking for newer versions of LM5020…
Part Number: LM5185-Q1 Other Parts Discussed in Thread: LM5185 Hello, please consult our input voltage 4-40V, we want to output voltage 12V, current 1A, can we use the LM5185-Q1 chip to achieve? thank you.
Part Number: LM5185 Tool/software: Hi Team,
My customer (Anhui Ligoo) would like to ahieve an isolated power supply (DC-DC) that can meet the requirements as below:
Input voltage range: 35V-120V
Output power: 10W (5V/2A or 12V/1A)
Output ripple…
Part Number: LM5185-Q1 Other Parts Discussed in Thread: LM5185
Tool/software:
Team,
Specs are below :
Vin : 9V - 32V, Vout :15V, load : 0.5A
Vout is dropping at different intervals without resistor load and with resistor load.
Additionally…
Part Number: LM5185 Hello,
A few days ago M. Youhao Xi said to me that I should try to use the Excel calc design tool for LM5185.
When trying to use it I have a problem:
When I cange transformers turns ratio, all the recommended values are being…